Rock 'n Roll
Platform: Amiga 500
Region: Europe
Media: Floppy
Controller: Mouse
Genre: Maze - Multi-Directional - Comical
Gametype: Licensed
Release Year: 1989
Developer: Rainbow Arts
Publisher: Rainbow Arts
Players: 1 Only
Hardware: OCS
Conversions: Atari ST, Commodore 64, ZX Spectrum, Amstrad CPC
Disks: 1
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Rock 'n Roll is a real-time puzzle game.

You know, there's this ball, and it's stuck in a labyrinth for no apparent reason. Never mind -- let's just help him out, okay?
You control the friendly, spotted ball with the cursor keys. It'll gain speed as it goes, bounce off when it hits obstacles, loose energy when it's caught in traps, die when it falls off the platform. The 32 levels through which you've got to guide the ball are full of traps: laser barriers, ramps, tubes, breakable tiles etc. Colored keys will open doors, switches create (or destroy!) helpful items. These include picks to repair floor tiles, parachutes to prevent you from falling off and bombs to destroy walls. Items have to be bought with coins that are found all over the level. 
The inertia of the ball has a very realistic feel to it, making the control intuitive and relatively easy. Not so easy, however, is the design of the (huge) levels; to finish Rock 'n Roll, you need skill as well as patience. You got the balls?
 
http://www.mobygames.com/game/amiga/rock-n-roll
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CHEATS:

Level select:
Enter RAINBOW ARTS as a name. The screen will
turn gray to confirm correct code entry. Type in a six digit number,
created by selecting a two digit level number, followed by four
numbers that when added equals the level number, and two digits
that correspond to the level number in reverse order. Example:
To play level 16, type 16444461. Then, locate the hold
on level 1 that is surrounded by three left pointing arrows. Jump
down the hole and press the Left Mouse Button to jump to
the selected level. 

Sound track:
Enter COUNTRY as a name.
